Updated spamassassin package fixes security vulnerabilities:
A reliance on "." in @INC in one configuration script (CVE-2016-1238).
A denial of service vulnerability arises with certain unclosed tags in emails that cause markup to be handled incorrectly leading to scan timeouts (CVE-2017-15705).
A potential Remote Code Execution bug with the PDFInfo plugin (CVE-2018-11780).
A local user code injection in the meta rule syntax (CVE-2018-11781).